The state of the world’s environment is one of the most important stories of the new century. Debates over the impact of climate change reverberate throughout the globe. So do disputes about what actions might be necessary, both to preserve the environment and to develop sources of energy for a growing global community.

The World’s environment coverage, led by environment editor Peter Thomson, examines the health of the planet and explores the impacts of human activity on everything from the earth’s ecosystems to the food we put on our plates.